how to use a laser level

How To Use A Laser Level?

Ian Mutuli
Updated on
Ian Mutuli

Ian Mutuli

Founder and Managing Editor of Archute. He is also a graduate architect from The University of Nairobi, Kenya.
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Laser levels are tools used to create a straight line. They emit a laser beam that is reflected off a surface and returns to the tool, creating an invisible line of light. This line can then be used as a guide for leveling or alignment purposes. There are many different types of laser levels on the market, from basic models that just emit a single beam, to more complex versions that have multiple beams and can be used for more advanced applications.

How a laser level works?

A laser level is an essential tool for any renovation or construction project. It is used to create precise fixed lines using the horizontal or vertical plane, allowing for accurate measurements and increased accuracy when laying out walls and floors. Here’s a step-by-step guide on how to use a laser level on a flat surface:

Step 1: Set Up the Laser Level

The first step in using a laser level is to set it up properly. Make sure you have a secure base surface with no obstruction, such as a tripod or wall mount. Depending on your model, there may be other components that need to be attached before starting the alignment process. 

Step 2: Align the Laser Level

Once the laser level has been set up, you will need to align the device so that it is pointing in the right direction. This may require making small adjustments with a level or adjusting the angle of the laser.

Step 3: Turn on the Laser Level

Once everything is aligned properly, turn on the device and watch as the lasers shoot out their beams. Depending on your model, there may be multiple laser beams at different angles for more precise measurements. 

Step 4: Adjust the Rotation/Angle of the Laser Level

One important step in using a laser level is to manually adjust its rotation and angle if needed. Most models come with an adjustable base which allows for easy maneuvering of the unit’s position to get those accurate readings. 

Step 5: Aim the Laser Level 

Now that the laser level is set up and adjusted, you are ready to start taking measurements. Make sure to aim the laser beam at your desired target area and make any further adjustments if needed. 

Step 6: Read the Measurements 

After aiming the laser beam, you can now start to read the measurements on a measuring tape or other reading devices. Most models come with an easy-to-read display that shows accurate readings for both vertical and horizontal lines. 

Step 7: Shut Down/Store Laser Level 

Once you’ve finished taking your measurements, remember to turn off the device before storing it away safely in its box or case. This will help protect the laser level from dust and other elements which may cause damage over time. 

Using a laser level is a great way to ensure accurate measurements when undertaking renovation or construction projects. With the help of this step-by-step guide, you can now easily use your laser level for a variety of projects with precision and accuracy. 

Types of laser Levels

There are several different types of laser levels available on the market. The most common type is the rotary laser level, which has a rotating beam that sweeps across a room to create an even and accurate line. Rotary lasers can be used for both indoor and outdoor applications. Another type of laser level is the point-to-point laser, which uses two fixed points to create a straight line. This type of laser is usually used in precision tasks like measuring distances between objects or creating perfectly level lines on walls or floors. Finally, there are automatic self-leveling lasers, which adjust themselves automatically so they always project a perfectly accurate line regardless of their position or angle.

These types of lasers are best suited for large-scale projects with multiple measurements. Each type of laser level has its advantages and is best suited for different types of applications. It's important to research the type that best fits your needs before making a purchase.

1. Rotary Laser Level

Rotary laser levels use a rotating beam to project an even and accurate line across the entire room. These lasers are best suited for indoor work such as laying tile or hanging wallpapers, as they can easily cover large areas. They are also great for outdoor applications such as landscaping or construction tasks where precise measurements need to be taken over long distances.

                                                                                                 Image source:

2. Point-to-point Laser Level

Point-to-point laser levels use two fixed points to project a straight line. This type of laser is usually used in precision tasks such as measuring distances between objects or creating perfectly level lines on walls or floors. Due to their accuracy, these types of lasers are often used in construction projects and other professional applications that require exact measurements.

                                                                                                       Image source:

3. Automatic Self Leveling Laser Level

Automatic self leveling laser level are the most advanced type of laser levels available. These lasers adjust themselves automatically so they always project a perfectly accurate line regardless of their position or angle, making them ideal for large-scale projects with multiple measurements. They can also be used in outdoor applications, as some models feature moisture protection and rugged construction that makes them suitable for tough environments. 

                                                                                                                       Image source:

No matter which type of laser level you choose, it's important to read up on all the features and specifications before making your purchase. Make sure the model you select is best suited for the job you need it for, as different types of lasers have different capabilities and accuracy ratings. With the right laser level and a bit of practice, you'll soon be able to work more efficiently and with greater accuracy. 

The right laser level can make all the difference when it comes to your DIY projects. With the right type of laser, even complex tasks like laying tile or constructing walls will become much easier and faster. Do your research before purchasing a laser so you get one that best suits your needs. Your DIY projects will thank you for it! 

When Should You Replace Your Laser Level?

The general rule of thumb is that laser levels should be replaced every 10-20 years, depending on how frequently it has been used. If a laser level has only been used occasionally, then it may not need to be replaced as soon as one that is being relied upon more heavily. 

Signs of wear and tear may also indicate when you need to replace your laser level. Some common signs include difficulty in calibration, fading beam strength or accuracy, or physical damage such as cracks or dents. It's important to inspect your laser level regularly for any visible damage before use, and if any is found the device should be retired immediately. 

Finally, technology advances quickly and so keeping up with the latest products can have additional benefits. Newer laser levels tend to be more accurate and have longer battery life, so if you do find yourself frequently replacing batteries or re-calibrating your device it might be time to upgrade. 

At the end of the day, when you choose to replace your laser level is up to you; however, if the device is no longer fit for purpose or is losing accuracy you must discard the old one safely and invest in a new model. 

By following these guidelines you should ensure that your laser level remains safe and accurate, giving you many years of use. 

Frequently Asked Questions:

1. What is the purpose of using a laser level?

Laser levels are used to create horizontal or vertical lines onto surfaces as a reference point and help accurately measure distance. They are also useful for checking if certain elements in a room, such as shelves or crown moulding, are installed at the same height and evenness throughout.

2. Is there any special safety precaution to take when using a laser level?

Yes. When operating a laser level, it is important to always wear eye protection since direct contact with your eyes can cause permanent damage. Additionally, it is advisable to check that the area you are working in is clear of any potential obstructions that could disrupt the laser line. Finally, be sure to check the manufacturer’s instructions for any additional safety measures you should take.

3. How do I set up a laser level?

Setting up a laser level is fairly straightforward. First, mount or place your unit in the desired position and then switch it on. Then use the base of the unit to ensure that it is leveled correctly. Finally, adjust the angle of the beam until you have achieved the desired line.

4. Is a laser level suitable for outdoor use?

Yes, some laser levels are designed specifically for outdoor use and can be used in direct sunlight without affecting the accuracy or visibility of their beams. However, if you plan on using your device outside, make sure that it is rated for that purpose and use an extra-duty tripod or stand to ensure stability. It is also advisable to cover the laser and its accessories when not in use. 

5. Is there any special maintenance I need to do to my laser level?

Yes, it’s important to keep your device dust-free, as dust can accumulate inside the unit and cause damage. Additionally, you should check all batteries periodically and keep them full of power. Finally, if you ever notice any problems with the accuracy or functionality of your device, contact the manufacturer as soon as possible for assistance.


In conclusion, learning how to use a laser level is a simple task that can be beneficial in many different ways. Laser levels are an incredibly accurate and quick way to ensure that your projects remain level and true. With practice, you can easily become a pro at using one of these tools. The benefits of having the right equipment for whatever job you’re tackling make the investment worthwhile. Be sure to follow all safety instructions when working with lasers as well! With these tips, you should have no problem mastering how to use a laser level.

Ian Mutuli

About the author

Ian Mutuli

Founder and Managing Editor of Archute. He is also a graduate architect from The University of Nairobi, Kenya.
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